Revolutionary cushioning conforms with every step in the Nike Joyride Run Flyknit. Like a high-tech bean bag for your foot, this running-inspired shoe is crazy different. Tiny foam beads under your foot provide cushioning that conforms to every step for comfort that stands up to your mileage. Tech Details: Lightweight, breathable Flyknit hugs your foot and keeps it in place. Synthetic material wraps from the inside to the top of your foot for a secure fit. Durable rubber outsole adds durability in high-wear zones. Raised nobs add traction. Tiny foam beads, in four strategic pockets, compress and adapt to every step for dynamic stability. One-piece foam collar gives smooth, secure cushioning. Low-cut design feels comfortable around your ankle and allows easy on/off. React carrier foam is lightweight and durable.